Use the Figure Below to Answer the Following Questions

Multiple Choice

Use the figure below to answer the following questions. Figure 3.5.2
Original equilibrium at 1.
-Refer to Figure 3.5.2,which represents the market for tacos.A new scientific study reveals that tacos cause bad breath.Simultaneously,the cost of producing tacos decreases.What is the new equilibrium,ceteris paribus?

A) 2
B) 3
C) 9
D) 4
E) 7